# SDR SWAA2023031304533

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 17, 2023
- Submitted: March 13, 2023
- Operation: Air carrier
- Aircraft: [N289CT](https://openairdocs.org/aircraft/N289CT), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36633
- Aircraft time: 50,940 hours, 30,659 cycles
- System (JASC): [5300 · Fuselage Structure (General)](https://openairdocs.org/jasc/5300)
- Part: Shield
- Condition: Corroded
- Location: Zn 100 Fus Lower
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2023031304533

## Discrepancy

FWD CARGO BAY - FWD SHIELD HAS CORROSION RBL 23 BS 420+16; BS 420+18.<[01] NO ALLOWABLE DAMAGE LIMITS; IT HAS TO BE REPAIRED BY REPLACEMENT PER SRM 51-10-02-0G-0 STEP 9 C.;[02] VERIFIED CORRECTIVE ACTION 1;[03] LOCATED AND DRILLED NEW FCB FWD SHIELD RBL 23 IAW SRM 51-40-05 AND DWG#143A8126 . INSTALLATION OF THIS PART WILL BE ON FAULT [TTG8Q004DRF3];[04] COMPLETED MEASUREMENT TABLE;[05] VERIFIED CORRECTIVE ACTIONS 3; 4 AND MEASUREMENT TABLE.

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